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 Match the following               

         List-I (Alloying element in steel)

         A. Lead

         B. Aluminium

         C. Copper

         D. Phosphorus

         List-II (Effect)

         1. Restricts grain growth

         2. Raise yield point       

         3. Reduces strength to impact

         4. Free machining

Codes:

             A        B         C         D

(a) 1        2          3          4

(b) 2        3          4          1

(c) 3        4          1          2

(d) 4        1          2          3

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